Cooking-stove



' R. PETERSON.

flanking Stove.

Patented. March :8, 1859.

moan/7'08 UNITED STATES PATENT FIPICE.

RICHARD PETERSON, OF PHILADELPHIA, PENNSYLVANIA.

COOKING-STOVE.

Specification of Letters Patent No. 23,191, dated March 8, 1859.

To all whom it may concern:

Be it known that I, RICHARD PETERSON, of

the city and county of Philadelphia and, State of Pennsylvania, haveinvented a new oven is situated at the rear but above the level. of thefire; and my improvement consists in a protecting plate withperforations described hereafter, when the said plate is so arranged, inrespect to the oven, fire-place, and flues of the above mentioned classof cooking stoves that the products of combustion may be met, at thepoint where they impinge against the plate and are dispersed prior topassing over or under the oven, with jets of heated air, whichefiectually ignite the unconsumed gases at a point most advantageous forimparting the heat, caused by their ignition to the oven.

In order to enable others to make and use my invention, I will nowproceed to describe its construction and operation.

On reference to accompanying drawing, which forms a part of thisspecification; Figure 1, is an exterior view of the elevated oven stove,to which my improvement is applied. Fig. 2, a sectional elevation. Fig.3, a transverse section, on the line 1, 2 (Fig. 2). Fig. 4, a transversesection, on the line 3, .L (Fig. 2).

Similar letters refer to similar parts throughout the several views.

A is the fire place of the stove, B the elevated oven, 0 the passage forthe products of combustion underneath the oven, D the vertical passagein front communicating with.

the passage I over the oven, and F the opening communicating with thechimney.

G is the cold air passage underneath the oven, communicating, through anopening a, with the external air, and in the opposite direction with achamber H, which is formed by the projecting plate 6, attached to thefront plate and near the lower corner of the oven. This chamber H alsocommunicates, through openings 7, f, on the opposite sides of the stove,with the external air, so that a free circulation of air is constantlymain tained through this chamber, and the part of the oven most exposedto the injurious action of the fire efiectuallyprotected.

In the front plate C of the stove and above the fire-place is a recessof the form represented in dotted lines (Fig. 3), and this recess formsa projection into the vertical passage D, which serves to divide and todisperse laterally, the products of combustion, prior to their passageover the top of the oven.

The above described stove is, in its general features, similar to whatis known as the elevated oven stove, manufactured by Messrs. Stuart &Peterson, of Philadelphia.

It will be observed, on reference to Fig. 4, that the plate 6, whichforms the chamber H, is perforated with a number of holes m, m, and thatthese holes are situated at or very near the point .where the productsof combustion must impinge, in their attempt to pass to the chimney, andbefore they separate, some to pass up the vertical flue D and over theoven, and others through the horizontal flue D under the oven. It willbe evident therefore, that the uncon sumed gases from the fuel will bemet directly by jets of heated air, passing through the perforations m,which will consequently ignite the gases and cause them to pass oif inthe form of a flame, whether their direction be under or over the oven.

I am aware that jets of air have been heretofore introduced at the rearof the fire in cooking stoves. The perforations, through which theypass, however, have been situated either at a point below or near thesurface of the fuel, so that the greater portion of the gases pass ofiunconsumed, through the passages around the oven, to the chimney.

I have found by practical experiment, that, in order to insure athorough ignition of the gases, they should be met by jets of air afterthey have risen a short distance above the fuel in the fireplace. Thisis the case in my improvement, for the fuel is always below theperforations m. The procluct's of combustion impinge, in the firstinstance, against the plate Z) of the chamber H, and become, as it were,spread out and expanded, while the jets of air through the perforations,intermixing with the expanded products of combustion, are brought intocontact with and disseminated among the unconsumed gases, none of whichcan escape either through the upper or lower passage of the oven,Without being efiectually ignited.

I do not claim broadly introducing jets of air at the rear of the firein cooking stoves, various devices for accomplishing this end havingbeen heretofore used, but I claim and desire to secure by LettersPatent:

The protecting plate H with its perforations m, when arranged in respectto the oven, the fireplace and the flues of an elevated oven cookingstove in the manner herein set forth, so that the products ofcombustion, after passing from the body of the fuel, and at the pointWhere they impinge against and are dispersed by the said protectingplate, prior to passing some over and others under the oven, may be metby and intermixed with jets of heated air, for the purpose specified.

In testimony whereof, I have signed my name to this specification in thepresence of tWo subscribing witnesses.

RICHARD PETERSON.

IVitnesses HENRY HoWsoN, HENRY ODIoRNn.

